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/* Charset conversion.
Copyright (C) 2001-2004, 2006-2007 Free Software Foundation, Inc.
Written by Bruno Haible and Simon Josefsson.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef _STRICONV_H
#define _STRICONV_H
#include <stddef.h>
#if HAVE_ICONV
#include <iconv.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if HAVE_ICONV
/* Convert an entire string from one encoding to another, using iconv.
The original string is at [SRC,...,SRC+SRCLEN-1].
The conversion descriptor is passed as CD.
*RESULTP and *LENGTH should initially be a scratch buffer and its size,
or *RESULTP can initially be NULL.
May erase the contents of the memory at *RESULTP.
Return value: 0 if successful, otherwise -1 and errno set.
If successful: The resulting string is stored in *RESULTP and its length
in *LENGTHP. *RESULTP is set to a freshly allocated memory block, or is
unchanged if no dynamic memory allocation was necessary. */
extern int mem_cd_iconv (const char *src, size_t srclen, iconv_t cd,
char **resultp, size_t *lengthp);
/* Convert an entire string from one encoding to another, using iconv.
The original string is the NUL-terminated string starting at SRC.
The conversion descriptor is passed as CD. Both the "from" and the "to"
encoding must use a single NUL byte at the end of the string (i.e. not
UCS-2, UCS-4, UTF-16, UTF-32).
Allocate a malloced memory block for the result.
Return value: the freshly allocated resulting NUL-terminated string if
successful, otherwise NULL and errno set. */
extern char * str_cd_iconv (const char *src, iconv_t cd);
#endif
/* Convert an entire string from one encoding to another, using iconv.
The original string is the NUL-terminated string starting at SRC.
Both the "from" and the "to" encoding must use a single NUL byte at the
end of the string (i.e. not UCS-2, UCS-4, UTF-16, UTF-32).
Allocate a malloced memory block for the result.
Return value: the freshly allocated resulting NUL-terminated string if
successful, otherwise NULL and errno set. */
extern char * str_iconv (const char *src,
const char *from_codeset, const char *to_codeset);
#ifdef __cplusplus
}
#endif
#endif /* _STRICONV_H */
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